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Download full textNunnery, John A.; Ross, Steven M.; Yen, Cherng-jyh – Online Submission, 2010
This study examined the impact of NISL's [National Institute for School Leadership's] Executive Development Program for principals on student achievement in Pennsylvania schools between 2006-2009. Roughly half of the NISL-trained principals started the program during the 2007 school year and completed it in the 2008 school year, whereas the other…
Descriptors: Middle Schools, Elementary Schools, High Schools, Academic Achievement
